During 1983, the year that Brian Moriarty first conceived the idea of a text adventure about the history of atomic weapons, the prospect of nuclear annihilation felt more real, more terrifyingly imaginable to average Americans, than it had in a long, long time. The previous November had brought the death of longtime Soviet General Secretary Leonid Brezhnev and the ascension to power of Yuri Andropov. Brezhnev had been a corrupt, self-aggrandizing old rascal, but also a known, relatively safe ...